339498850921 has 2 divisors, whose sum is σ = 339498850922. Its totient is φ = 339498850920.

The previous prime is 339498850919. The next prime is 339498850927. The reversal of 339498850921 is 129058894933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313040250000 + 26458600921 = 559500^2 + 162661^2 .

It is a cyclic number.

It is not a de Polignac number, because 339498850921 - 2¹ = 339498850919 is a prime.

Together with 339498850919, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 339498850921.

It is not a weakly prime, because it can be changed into another prime (339498850927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169749425460 + 169749425461.

It is an arithmetic number, because the mean of its divisors is an integer number (169749425461).

Almost surely, 2^339498850921 is an apocalyptic number.

It is an amenable number.

339498850921 is a deficient number, since it is larger than the sum of its proper divisors (1).

339498850921 is an equidigital number, since it uses as much as digits as its factorization.

339498850921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 339498850921 in words is "three hundred thirty-nine billion, four hundred ninety-eight million, eight hundred fifty thousand, nine hundred twenty-one".